as in invisible
not perceptible by a sense or by the mind
a slight difference in hue between the two glasses that's imperceptible unless they're placed side by side
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Recent Examples of imperceptible
Researchers showed that by altering just a small number of pixels in the image—changes imperceptible to human eyes—the AI model misclassified the panda as a gibbon.
—
Hessie Jones, Forbes.com, 3 Apr. 2025
Each brings his own approach to the party, but any drop-off is imperceptible and the impact is effectively the same.
—Edgar Thompson, Orlando Sentinel, 20 Mar. 2025
If this switching happens quickly enough, any flickering should be imperceptible to the human eye.
—Paul Monckton, Forbes.com, 30 Apr. 2025
John Ebel, a seismologist at Boston University and historian of East Coast earthquakes, is skeptical that what’s going on in Summerville could be caused by imperceptible tremors; in his experience, earthquake lights are typically associated with major seismic events.
—Cody Cottier, Discover Magazine, 19 Feb. 2025
See All Example Sentences for imperceptible
Hessie Jones, Forbes.com, 3 Apr. 2025
Each brings his own approach to the party, but any drop-off is imperceptible and the impact is effectively the same.
—Edgar Thompson, Orlando Sentinel, 20 Mar. 2025
If this switching happens quickly enough, any flickering should be imperceptible to the human eye.
—Paul Monckton, Forbes.com, 30 Apr. 2025
John Ebel, a seismologist at Boston University and historian of East Coast earthquakes, is skeptical that what’s going on in Summerville could be caused by imperceptible tremors; in his experience, earthquake lights are typically associated with major seismic events.
—Cody Cottier, Discover Magazine, 19 Feb. 2025
See All Example Sentences for imperceptible
Recent Examples of Synonyms for imperceptible
Adjective
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Agencies like the Centers for Disease Control and Prevention (CDC), the Food and Drug Administration (FDA), and the National Institutes of Health (NIH) don't just manage disease outbreaks or approve new treatments—they're the invisible safety net beneath our health system.—
Kristen Waggoner,
MSNBC Newsweek,
24 June 2025
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But prose fiction can move in and out of a character’s mind with invisible speed and grace.—
Benjamin Hale
June 23,
Literary Hub,
23 June 2025
Adjective
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Bow Strap midi dress: $139 (Nordstrom) This Petal & Pup Floret midi dress at Nordstrom offers a modern take on boho fashion with its subtle floral design, cute ladylike details and flattering cut.—
Jené Luciani Sena
may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom.,
FOXNews.com,
18 June 2025
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What started as a subtle act of protest has become national news.—
Jack Harris,
Los Angeles Times,
18 June 2025
Adjective
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Macron blocked his mouth with his hand, so his comment was indistinguishable, but Meloni reacted with a huge eye roll that quickly circulated in photos online.—
Rachel Raposas,
People.com,
17 June 2025
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The first defensive possession of every Orlando Magic game this season was indistinguishable from a brawl.—
Fred Katz,
New York Times,
16 June 2025
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 2 Jul. 2025.
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